A liquid with a specific weight of 100 lbf/ft³ is in the conduit. This is a special kind of liquid that has zero viscosity. The pressures at points A and B are 170 psf and 100 psf, respectively. Which one (or more) of the following conclusions can one draw with certainty?

(a) The velocity is in the positive ℓ direction. 

(b) The velocity is in the negative ℓ direction. 

(c) The acceleration is in the positive ℓ direction. 

(d) The acceleration is in the negative ℓ direction.

Transcribed Image Text:

Vertical 2.0 ft •B 30° Horizontal